Kvašov

Kvašov is a surname found primarily in Slavic countries. Its etymology is derived from the word "kvas," a traditional Slavic fermented beverage made from rye bread or grain. The suffix "-ov" is a common Slavic patronymic suffix, indicating "belonging to" or "descendant of." Therefore, Kvašov likely originated as a surname for someone who either brewed or sold kvas, or was related to someone who did. It is predominantly found in Russia, Ukraine, and other Eastern European nations. The surname is documented in historical records and continues to be used today.